What is a “Supermoon”? (Video)

World News – Have you been outside this weekend? Is the sky clear where you are? Then you might be able to gaze upon this weekend’s Supermoon.

But what is a Supermoon?

According to Wikipedia – A supermoon is the coincidence of a full moon or a new moon with the closest approach the Moon makes to the Earth on its elliptical orbit, resulting in the largest apparent size of the lunar disk as seen from Earth.

The technical name is the perigee-syzygy of the Earth-Moon-Sun system.

But what does that mean in simple terms? Do you have 30 seconds to find out?